CN208636169U - A friction test device - Google Patents
A friction test device Download PDFInfo
- Publication number
- CN208636169U CN208636169U CN201821461215.3U CN201821461215U CN208636169U CN 208636169 U CN208636169 U CN 208636169U CN 201821461215 U CN201821461215 U CN 201821461215U CN 208636169 U CN208636169 U CN 208636169U
- Authority
- CN
- China
- Prior art keywords
- test specimen
- test
- seat
- friction
- compression bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
本实用新型公开一种摩擦试验装置，包括固定座，其一侧铰接阻力弹簧，阻力弹簧顶端铰接压杆，压杆末端与固定座铰接；压杆连接试件架，试件架与固定座连接，试件架下方设置摩擦盘，摩擦盘通过轴承座与位于固定座上的电动机及扭矩传感器连接；压杆与试件架之间设置竖直力传感器，两端试件架上设置有水平力传感器。本实用新型提供的摩擦试验装置，使大变形的橡胶的摩擦力以及磨损检测结果准确，测量精度高。
The utility model discloses A friction test device includes a fixed seat, one side of which is hinged with a resistance spring, the top of the resistance spring is hinged with a pressure rod, and the end of the pressure rod is hinged with the fixed seat; A friction disc is arranged below, and the friction disc is connected with the motor and the torque sensor on the fixed seat through the bearing seat; a vertical force sensor is arranged between the pressure rod and the specimen holder, and a horizontal force sensor is arranged on the specimen holder at both ends. The friction test device provided by the utility model makes the friction force and wear detection results of the rubber with large deformation accurate and the measurement precision is high.
Description
Technical field
The present invention relates to fretting wear and frictional noise experimental technique fields, more particularly to a kind of friction test device.
Background technique
The abrasion of components directly affects the service life of equipment, and frictional noise pollutes environment.Such as it rubs in rubber-metal
It wipes in pair, because rubber deformation is larger, friction pair is easy to produce vibration, ear-piercing noise is generated, etc. further investigation large deformation friction
Secondary abrasion, deformation mechanism, reduce the secondary abrasion of friction as far as possible and drop low friction pair noise be in engineer application urgently
It solves the problems, such as.
It is to obtain the influence secondary to friction of coefficient of friction and Pressure change frequencies, existing method is using rotation hinge, from outer
Butt formula contacts workpiece with frictional disk, and the mode of load is to hang the weight of fixed weight, when test specimen is worn, due to
It is certain to frictional disk centre distance to rotate hinge, and test specimen abrasion will lead to load bar and have compared with big corner, i.e., circumscribed mode contacts
It will lead to contact position variation greatly, cannot normally measure, meanwhile, the weight of the fixed weight of load becomes because friction pair is elastic
The reason of shape-recovery, causes weight instantaneously weightless, thus is unable to characterize true normal pressure, affects frictional force and the secondary phase that rubs
To the measurement accuracy of deformation frequencies；And the installation of existing way test specimen is limited, and test specimen installation is easy to cause just, not influence to test,
Tangential friction force direction is easy to happen change during the test, increases test error；Existing way cannot be guaranteed load
Power is correctly characterized to measuring surface, that is, the loading force of identical weight changes with the generation of abrasion；Existing way sensor peace
Dress is difficult, and the normal direction of the power obtained is inconsistent, influences measurement accuracy.
Summary of the invention
The object of the present invention is to provide a kind of friction test devices, to solve the above-mentioned problems of the prior art, make big
The frictional force and abrasion detection result of the rubber of deformation are accurate, and measurement accuracy is high.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of friction test device, including fixing seat, and the fixing seat side is hinged with resistance spring, institute
It states resistance spring top and is hinged with compression bar, the compression bar end and the fixing seat top are hinged；Examination is connected on the compression bar
Part frame, the test-piece stand are slidably connected along the vertical direction with the fixing seat, for placing test specimen, the examination on the test-piece stand
Frictional disk is provided with below part frame, the frictional disk passes through bearing block and the motor and torque sensing in the fixing seat
Device connection；Vertical force snesor is provided between the compression bar and the test-piece stand, on the test-piece stand of test specimen two ends
It is respectively arranged with horizontal force snesor.
Optionally, test specimen seat is installed, the test specimen is placed on the test specimen seat on the test-piece stand.
Optionally, the test-piece stand includes test specimen frame body, and test specimen frame body both ends are separately installed with attachment base, is located at institute
It states and is connect by horizontal sliding bearing with the test specimen seat on the test specimen frame body between attachment base；Test specimen seat both ends point
Sensor connecting rod is not installed, sensor connecting rod one end is connect with the test specimen seat respectively, and the other end passes through respectively
Horizontal force snesor is connect with the attachment base.
Optionally, the test specimen fixed plate of swallow-tail form is installed, it is solid that the test specimen is installed on the test specimen on the test specimen seat
On fixed board；Test specimen seat side is equipped with screw, and spring is equipped on the screw, and the screw being capable of clamp or release institute
State test specimen fixed plate.
Optionally, connecting plate is installed, the connecting plate is connected by linear bearing and the compression bar on the test specimen frame body
It connects；The linear bearing is connect with the connecting plate by vertical force snesor.
Optionally, sliding block is installed, it is matched vertical with the sliding block to offer in the fixing seat on the connecting plate
Sliding slot.
Optionally, the compression bar and the resistance spring hinged place offer horizontal regulating tank, the resistance spring
End is movably set in the regulating tank, and the regulating tank end is equipped with adjusting rod, and the adjusting rod is described for adjusting
Position of the end of resistance spring in the regulating tank.
The present invention achieves following technical effect compared with the existing technology:
Friction test device of the invention uses spring loads, linear bearing and sliding block orientation, can determine loading direction,
It ensure that normal pressure direction；Horizontal sliding bearing ensure that direction；Resistance spring avoids because existing scheme uses
Weight is hung, because rubber test piece large deformation causes to vibrate, the variation of frictional force caused by causing transient load to be distorted.Test specimen is fixed
At swallow-tail form, turning screw can be installed simple and convenient plate with clamp or release test specimen fixed plate；Sensor deforms less than 0.1mm,
Response frequency is high, can survey transient force variation and the secondary relative deformation frequency that rubs, obtain noise audio features and noise intensity；Sensing
The screw thread at device connecting rod both ends is respectively left-handed and dextrorotation, facilitates and adjusts sensor starting force.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is friction test device structural schematic diagram of the present invention；
Fig. 2 is friction test device side view of the present invention；
Fig. 3 is the test-piece stand structural schematic diagram of friction test device of the present invention；
Description of symbols: 1-fixing seat, 2-resistance springs, 3-frictional disks, 4-test specimens, 5-test-piece stands, 51-examinations
Part frame body, 52-test specimen seats, 53-test specimen fixed plates, 54-screws and spring, 55-sensor connecting rods, 56-seats, 57-
Horizontal sliding bearing, 61-vertical force snesors, 62-horizontal force snesors, 7-linear bearings, 8-compression bars.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of friction test device and its test methods, exist to solve the above-mentioned prior art
The problem of, keep the frictional force of the rubber of large deformation and abrasion detection result accurate, measurement accuracy is high.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
The present invention provides a kind of friction test device, and as shown in Figure 1 to Figure 3, including fixing seat 1,1 side of fixing seat are hinged
There is resistance spring 2,2 top of resistance spring is hinged with compression bar 8, and 8 end of compression bar and 1 top of fixing seat are hinged；It is connected on compression bar 8
Test-piece stand 5, test-piece stand 5 are slidably connected along the vertical direction with fixing seat 1, for placing test specimen 4,5 lower section of test-piece stand on test-piece stand 5
It is provided with frictional disk 3, frictional disk 3 is connect by bearing block with the motor and torque sensor being located in fixing seat 1；Compression bar 8
It is provided with vertical force snesor 61 between test-piece stand 5, horizontal force sensing is respectively arranged on the test-piece stand 5 of test specimen two ends
Device 62.
It is further preferred that being equipped with test specimen seat 52 on test-piece stand 5, test specimen 4 is placed on test specimen seat 52.Test-piece stand 5 wraps
Test specimen frame body 51 is included, 51 both ends of test specimen frame body are separately installed with attachment base 56,51 bottom of test specimen frame body between attachment base 56
Portion is connect by horizontal sliding bearing 57 with test specimen seat 52；52 both ends of test specimen seat are separately installed with sensor connecting rod 55, sensing
55 one end of device connecting rod is connect with test specimen seat 52 respectively, and the other end passes through horizontal force snesor 52 respectively and connect with attachment base 56.
The test specimen fixed plate 53 of swallow-tail form is installed, test specimen is installed in test specimen fixed plate 53 on test specimen seat 52；Test specimen seat
52 sides are equipped with screw 54, are equipped with spring on screw 54, screw 54 can clamp or release test specimen fixed plate 53, to adjust
Position of the whole test specimen fixed plate 53 on test specimen seat 5.Connecting plate is installed, connecting plate passes through linear bearing 7 on test specimen frame body 51
It is connect with compression bar 8；Linear bearing 7 is connect with connecting plate by vertical force snesor 61.Sliding block, fixing seat are installed on connecting plate
It is offered on 1 and the matched vertical chute of sliding block.Compression bar 8 and 2 hinged place of resistance spring offer horizontal regulating tank, resistance bullet
The end of spring 2 is movably set in regulating tank, and regulating tank end is equipped with adjusting rod, and adjusting rod is for adjusting resistance spring 2
Position of the end in regulating tank.
Resistance spring 2 moves down compression bar 8, and linear bearing 7 drives vertical force snesor 61, test-piece stand 5 to make test specimen and friction
Disk 3 contacts, and the vertical force snesor 61 at this obtains the normal pressure of test specimen；When frictional disk 3 rotates, frictional force makes to be mounted on examination
Two horizontal force snesors 62 on part frame 5 are by pulling force and pressure, because pressure direction is plummet direction, direction is water
Square to, therefore by detection power, can directly calculate coefficient of friction；Deformation when in view of test specimen being rubber, it is synchronous
The power measured can calculate instantaneous coefficient of friction.
The drawing of measurement frictional force, theoretically its absolute value is equal to pressure sensor, it is contemplated that the precision of force snesor, when
When the pulling force of acquisition, pressure deviate≤1.5%, normal acquisition when deviating more than 1.5%, checks system, plays sensor calibration
Effect.Meanwhile because 3 diameter of frictional disk is constant value, pass through the product and torque sensor ratio of total frictional force and 3 radius of frictional disk
Compared with whether sensor is faulty in verification acquisition system again, guarantees the stability of detection.
It adjusts the length of resistance spring 2 or the position of hinge is adjustable on compression bar 8, so as to adjust pressurization
Power, pressure adjust simple.
Using spring loads, linear bearing 7 and sliding block orientation can determine loading direction, ensure that normal pressure direction；Water
Smooth dynamic bearing 57 ensure that direction；Resistance spring 2 avoids because existing scheme is using suspension weight, because rubber tries
Part large deformation causes to vibrate, the variation of frictional force caused by causing transient load to be distorted.
For test specimen fixed plate 53 at swallow-tail form, simple side can be installed with clamp or release test specimen fixed plate 53 by turning screw 54
Just；Sensor deforms less than 0.1mm, and response frequency is high, can survey transient force variation；The screw thread at 55 both ends of sensor connecting rod is distinguished
For left-handed and dextrorotation, facilitates and adjust sensor starting force.
Experimental provision load of the invention can use weight, and horizontal force snesor 62 can only use 1, can try
Foil gauge is pasted on part frame body, by checking that the deformation of test specimen frame body 51 obtains the data of power.
Specific examples are applied in the present invention, and principle and implementation of the present invention are described, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, according to
According to thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification
It should not be construed as limiting the invention.
Claims (7)
1. a kind of friction test device, it is characterised in that: including fixing seat, the fixing seat side is hinged with resistance spring, institute
It states resistance spring top and is hinged with compression bar, the compression bar end and the fixing seat top are hinged；Examination is connected on the compression bar
Part frame, the test-piece stand are slidably connected along the vertical direction with the fixing seat, for placing test specimen, the examination on the test-piece stand
Frictional disk is provided with below part frame, the frictional disk passes through bearing block and the motor and torque sensing in the fixing seat
Device connection；Vertical force snesor is provided between the compression bar and the test-piece stand, on the test-piece stand of test specimen two ends
It is respectively arranged with horizontal force snesor.
2. friction test device according to claim 1, it is characterised in that: be equipped with test specimen seat, institute on the test-piece stand
Test specimen is stated to be placed on the test specimen seat.
3. friction test device according to claim 2, it is characterised in that: the test-piece stand includes test specimen frame body, described
Test specimen frame body both ends are separately installed with attachment base, pass through horizontal sliding axle on the test specimen frame body between the attachment base
It holds and is connect with the test specimen seat；Test specimen seat both ends are separately installed with sensor connecting rod, sensor connecting rod one end
It is connect respectively with the test specimen seat, the other end passes through horizontal force snesor respectively and connect with the attachment base.
4. friction test device according to claim 3, it is characterised in that: be equipped with the examination of swallow-tail form on the test specimen seat
Part fixed plate, the test specimen are installed in the test specimen fixed plate；Test specimen seat side is equipped with screw, pacifies on the screw
Equipped with spring, the screw being capable of test specimen fixed plate described in clamp or release.
5. friction test device according to claim 4, it is characterised in that: connecting plate is installed on the test specimen frame body,
The connecting plate is connect by linear bearing with the compression bar；The linear bearing and the connecting plate pass through vertical force snesor
Connection.
6. friction test device according to claim 5, it is characterised in that: sliding block is installed on the connecting plate, it is described
It is offered in fixing seat and the matched vertical chute of the sliding block.
7. friction test device according to claim 1, it is characterised in that: the compression bar and the resistance spring hinged place
Horizontal regulating tank is offered, the end of the resistance spring is movably set in the regulating tank, and the regulating tank end is worn
Equipped with adjusting rod, the adjusting rod is used to adjust position of the end of the resistance spring in the regulating tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821461215.3U CN208636169U (en) | 2018-09-07 | 2018-09-07 | A friction test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821461215.3U CN208636169U (en) | 2018-09-07 | 2018-09-07 | A friction test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208636169U true CN208636169U (en) | 2019-03-22 |
Family
ID=65743657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821461215.3U Expired - Fee Related CN208636169U (en) | 2018-09-07 | 2018-09-07 | A friction test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208636169U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030267A (en) * | 2018-09-07 | 2018-12-18 | 长沙学院 | A kind of friction test device and its test method |
-
2018
- 2018-09-07 CN CN201821461215.3U patent/CN208636169U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030267A (en) * | 2018-09-07 | 2018-12-18 | 长沙学院 | A kind of friction test device and its test method |
| CN109030267B (en) * | 2018-09-07 | 2024-03-29 | 长沙学院 | Friction test device and test method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104897099B (en) | A kind of controllable contact pin type displacement sensor of measuring force for micromorphology detection | |
| CN109030267A (en) | A kind of friction test device and its test method | |
| CN102967440B (en) | Device and method for detecting touch screen | |
| CN206906222U (en) | A kind of device for determining coefficient of friction | |
| CN108709906A (en) | A kind of magnetic control shape memory alloy material drive characteristic test platform and test method | |
| CN112014044A (en) | Static stiffness tester and static stiffness testing method | |
| CN210664750U (en) | Load cell detection device | |
| CN208606914U (en) | The dynamometer of changeable range for the installation detection of wall-mounted equipment dependability | |
| CN105300246A (en) | Rolling bearing radial clearance detection method and device | |
| CN208636169U (en) | A friction test device | |
| CN209656205U (en) | A kind of dynamometer calibrating installation | |
| CN213148259U (en) | Static rigidity tester | |
| CN108801205A (en) | A kind of sensitivity calibration device and scaling method of strain transducer | |
| CN203606234U (en) | Test unit for researching material uniaxial creep effect | |
| CN105510377A (en) | Precise metal zero-length spring temperature coefficient measuring instrument and method thereof | |
| CN205175941U (en) | Accurate metal zero -initial -length spring temperature coefficient measuring apparatu based on electric capacity micrometer | |
| CN205879415U (en) | Two supporting shaft torque force testing machines of 360 platforms of notebook | |
| CN201653642U (en) | Calibration device for miniature pressure sensor | |
| CN207074107U (en) | Pedal assembly spring F S curve detection devices | |
| CN112857644B (en) | Micro traction force testing mechanism | |
| CN206095816U (en) | Static side's board method testing arrangement of timber shear modulus | |
| CN105738110A (en) | Static state bearing testing device and method | |
| CN205786159U (en) | A kind of self-balancing for scratch test instrument is replaceable scrapes head | |
| CN214372116U (en) | Detection tool for measuring gear shaft diameter installation position | |
| US3174333A (en) | Apparatus for determining the resistance to shear effect in plane fabrics and similar materials |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190322 Termination date: 20210907 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |